6.7 sec in total
910 ms
5.6 sec
244 ms
Click here to check amazing Staatsbibliothek Berlin content for Germany. Otherwise, check out these important facts you probably never knew about staatsbibliothek-berlin.de
Homepage der Staatsbibliothek zu Berlin
Visit staatsbibliothek-berlin.deWe analyzed Staatsbibliothek-berlin.de page load time and found that the first response time was 910 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
staatsbibliothek-berlin.de performance score
name
value
score
weighting
Value2.5 s
67/100
10%
Value9.3 s
1/100
25%
Value5.1 s
62/100
10%
Value1,560 ms
13/100
30%
Value0.035
100/100
15%
Value10.7 s
22/100
10%
910 ms
334 ms
323 ms
325 ms
543 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that all of those requests were addressed to Staatsbibliothek-berlin.de and no external sources were called. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Staatsbibliothek-berlin.de.
Page size can be reduced by 577.6 kB (46%)
1.3 MB
676.3 kB
In fact, the total size of Staatsbibliothek-berlin.de main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 625.2 kB which makes up the majority of the site volume.
Potential reduce by 27.2 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 27.2 kB or 78% of the original size.
Potential reduce by 52.5 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Staatsbibliothek Berlin images are well optimized though.
Potential reduce by 419.0 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 419.0 kB or 83% of the original size.
Potential reduce by 78.9 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Staatsbibliothek-berlin.de needs all CSS files to be minified and compressed as it can save up to 78.9 kB or 86% of the original size.
Number of requests can be reduced by 19 (31%)
62
43
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Staatsbibliothek Berlin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
staatsbibliothek-berlin.de
910 ms
news-basic.css
334 ms
tx_jfmulticontent_pi1.css
323 ms
stylesheet_c0d74341b6.css
325 ms
sbb_main.css
543 ms
flexslider.css
331 ms
flexslider_mods.css
511 ms
jquery-1.8.x-1.9.x.js
1095 ms
main.js
549 ms
slightbox.css
450 ms
slimbox.2.0.4.yui.js
452 ms
jquery.flexslider-min.js
431 ms
tracking-info_close.png
208 ms
header_background_shadow.png
210 ms
header.png
210 ms
logo.png
211 ms
icon_suche.png
209 ms
icon_behinderungen.png
211 ms
icon_main-nav_dropdown_16x16.png
452 ms
preface_background_shadow.png
454 ms
icon_breadcrumb-start.png
451 ms
icon_sprache.png
455 ms
main_background_shadow.png
454 ms
seperator-bg_content-sidebar.png
456 ms
Slideshow_Weltreise_0.jpg
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Slideshow_Weltreise_2.jpg
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Slideshow_Weltreise_1.jpg
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icon_link_uebersichtsseite_18x18.png
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csm_Werkzeug_farbig_5e81919798.jpg
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icon_link-intern_14x14.png
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csm_WG_Einbattdruck_Blog__9b22efd265.jpg
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csm_Voltaire-Vierer_6ed5ecc0b3.jpg
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icon_link-extern_14x14.png
931 ms
icon_ansicht-druck.png
1108 ms
icon_social-facebook.png
1143 ms
icon_social-twitter.png
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icon_social-youtube.png
1164 ms
icon_link-dropdown_11x11.png
1351 ms
background_bookmarks_l.png
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background_bookmarks_m.png
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icon_social-rss.png
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icons_social_addthis.png
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icons_social_delicious.png
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icons_social_google.png
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icons_social_live.png
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icons_social_stumbleupon.png
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background_bookmarks_r.png
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haus_unter-den-linden.png
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stats.php
1532 ms
haus_potsdamer-str.png
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icon_link-intern_11x11.png
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icon_link-footer_11x11.png
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fragen-sie-uns.png
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csm_Humboldt-HP_78c92e5e0b.jpg
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icon_link-extern_11x11.png
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filme.gif
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footer_background_shadow.png
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icon_link-in-footer_11x11.png
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logo_spk.png
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stats.php
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sbb_main_print.css
326 ms
button_slideshow-voriges.png
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button_slideshow-naechstes.png
206 ms
flexslider-icon.woff
212 ms
staatsbibliothek-berlin.de accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA progressbar elements do not have accessible names.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
staatsbibliothek-berlin.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
staatsbibliothek-berlin.de SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Staatsbibliothek-berlin.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Staatsbibliothek-berlin.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
staatsbibliothek-berlin.de
Open Graph description is not detected on the main page of Staatsbibliothek Berlin. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: